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Grant [Tobii]

Hi @rasa, the accuracy per gaze point will always vary according to calibration result, user profile and environmental conditions and so accordingly there is no “fixed” distance we can provide as a buffer for accuracy.

That being said, it is reasonable to assume an average of 20 pixels radius per gaze co-ordinate. Hopefully this result meets your needs.

Please let us know if we can be of any further assistance.